A true replacement is more than a matching part number. It requires matching geometry, heat-transfer performance, connection accuracy and pressure integrity.

BAXI 5122147 / 5114687 High-Performance Stainless Steel Heat Exchanger

A reliable boiler replacement depends on more than matching a part number. Material quality, tube geometry, heat-transfer surface, welding integrity and dimensional accuracy all affect the performance of a condensing boiler heat exchanger.

The BAXI 5122147 / 5114687 replacement heat exchanger is manufactured using OEM-equivalent engineering principles, combining stainless steel tube forming, precision bending, hydroforming and controlled welding.

Hydroformed tube geometry helps maintain consistent spacing between heat-transfer tubes, supporting efficient flue-gas flow and thermal energy transfer. The stainless steel construction is designed for the demanding temperature, moisture and condensate conditions found in modern condensing boilers.

After assembly, critical dimensions and water-side integrity are checked through controlled inspection, pressure testing and leak testing.

For professional BAXI boiler servicing and aftermarket supply, this provides a precision-engineered replacement solution combining installation accuracy, efficient heat transfer and consistent manufacturing quality.

Key Benefits:

• OEM-equivalent manufacturing principles
• Precision stainless steel heat-transfer coil
• Consistent tube spacing
• Efficient thermal energy transfer
• Reliable welded structure
• Pressure and leak tested
• Consistent quality for professional aftermarket supply

BAXI 5122147 Replacement Heat Exchanger, BAXI 5114687 Replacement Heat Exchanger, Stainless Steel Boiler Heat Exchanger, Condensing Boiler Spare Parts, BAXI Combi Boiler Heat Exchanger, Boiler Heat Exchanger Manufacturer

Baxi Duo-Tec 24 28 Combi & 24 HE A Main Heat Exchanger 5122147 New Genuine Part

BAXI DUOTEC / PLATINUM 24 28 HE A & MEGAFLO 1MAIN HEAT EXCHANGER 5122147

Meets EU ErP Directive and all major global environmental standards

FAQ

Is the BAXI 5122147 / 5114687 heat exchanger a direct replacement?

Yes. The heat exchanger is engineered as a one-for-one replacement for compatible applications, with the critical dimensions, connection positions, tube configuration and installation interfaces matched to the original heat exchanger design.

This allows professional heating engineers to replace the existing heat exchanger without unnecessary modification, subject to verification of the boiler model and original part number before installation.

Is the manufacturing process the same as the original?

The product is manufactured using OEM-equivalent engineering principles and controlled production processes, including stainless steel tube forming, precision bending, hydroforming, welding, pressure testing and leak testing.

The objective is to reproduce the original heat exchanger's critical geometry and functional requirements rather than simply producing a generic heat exchanger with a similar appearance.

Why is hydroforming important?

Hydroforming creates controlled geometry directly in the stainless steel tube. This helps maintain consistent tube spacing and provides an optimized heat-transfer structure for condensing boiler applications.

Has the heat exchanger been pressure tested?

Yes. The finished heat exchanger is subject to controlled pressure and leak testing to verify water-side integrity before shipment.

Certificate

Product packaging